CA1038852A - Jack-pump device - Google Patents

Jack-pump device

Info

Publication number
CA1038852A
CA1038852A CA76246558A CA246558A CA1038852A CA 1038852 A CA1038852 A CA 1038852A CA 76246558 A CA76246558 A CA 76246558A CA 246558 A CA246558 A CA 246558A CA 1038852 A CA1038852 A CA 1038852A
Authority
CA
Canada
Prior art keywords
pump
jack
chamber
chambers
cylinder body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA76246558A
Other languages
English (en)
French (fr)
Inventor
Marcel Boutroy
Jacques Neyret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HYDRELEM
Original Assignee
HYDRELEM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7505745A external-priority patent/FR2302431A1/fr
Application filed by HYDRELEM filed Critical HYDRELEM
Application granted granted Critical
Publication of CA1038852A publication Critical patent/CA1038852A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18Combined units comprising both motor and pump
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20Chairs or stools with vertically-adjustable seats
    • A47C3/30Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25Constructional features
    • B66F3/42Constructional features with self-contained pumps, e.g. actuated by hand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
CA76246558A 1975-02-25 1976-02-25 Jack-pump device Expired CA1038852A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7505745A FR2302431A1 (fr) 1975-02-25 1975-02-25 Dispositif pompe verin
FR7604124A FR2341055A2 (fr) 1975-02-25 1976-02-16 Dispositif pompe verin

Publications (1)

Publication Number Publication Date
CA1038852A true CA1038852A (en) 1978-09-19

Family

ID=26218752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA76246558A Expired CA1038852A (en) 1975-02-25 1976-02-25 Jack-pump device

Country Status (7)

Country Link
US (1) US4010609A (en:Method)
JP (1) JPS51108460A (en:Method)
CA (1) CA1038852A (en:Method)
DE (1) DE2607354A1 (en:Method)
FR (1) FR2341055A2 (en:Method)
GB (1) GB1491427A (en:Method)
SE (1) SE7602274L (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710376A1 (de) * 1987-03-28 1988-10-13 Asea Brown Boveri Antriebseinrichtung fuer einen beweglichen kontaktarm eines elektrischen schaltgeraetes
US6035634A (en) 1999-02-09 2000-03-14 Latch-Tool Development Co. Llc Compact, resistance regulated, multiple output hydraulic tool and seal valve arrangement
US7055801B2 (en) * 2003-10-31 2006-06-06 Norco Industries, Inc. Quick rise hydraulic lifting jack
US9022356B2 (en) 2012-08-30 2015-05-05 Norco Industries, Inc. Removable saddle and extension for floor jack
CN103615428B (zh) * 2013-12-03 2016-02-10 三一汽车制造有限公司 液压油缸及泵送机构及稠浆物料泵

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US302070A (en) * 1884-07-15 Thomas h
US2473694A (en) * 1945-05-25 1949-06-21 Denison Eng Co Manually operated hydraulic press
US2563912A (en) * 1946-01-30 1951-08-14 Julius A Belinkin Jointed hydraulic jack lever

Also Published As

Publication number Publication date
JPS51108460A (en:Method) 1976-09-25
GB1491427A (en) 1977-11-09
SE7602274L (sv) 1976-08-26
DE2607354A1 (de) 1977-01-20
US4010609A (en) 1977-03-08
FR2341055B2 (en:Method) 1978-12-29
FR2341055A2 (fr) 1977-09-09

Similar Documents

Publication Publication Date Title
US4373707A (en) Construction including a gas spring
US3415169A (en) Hydraulic cylinder
US3752432A (en) Vehicle seats
JP2003166584A (ja) 減衰力調整式油圧緩衝器
US4817898A (en) Adjusting device, particularly for adjustable chairs
US20030000589A1 (en) Hydropneumatic accumulator
US4307874A (en) Gas spring with means for retaining piston adjacent one terminal position
EP0183360B1 (en) Hydraulic chair lift mechanism
CA1038852A (en) Jack-pump device
US2438285A (en) Telescopic hydraulic jack
US2891765A (en) Jack
US2946196A (en) Valve mechanism for crane controls
US4312373A (en) Internal valve
FI63177C (fi) Hydraulisk slaganordning
GB2108242A (en) A hydraulic system of a fork lift truck
US3478678A (en) Pneumatic press
US3250185A (en) Circuit control valve instrumentality
US4041839A (en) Telescopic ram
US4089172A (en) Position controller
US5038825A (en) Multiport valve
US1847073A (en) Hydraulic press
US5396535A (en) X-ray apparatus comprising a hydraulic system
SU1594126A1 (ru) Уравновешивающий стреловой подъемник
US1940821A (en) Hydraulic jack
CN212050067U (zh) 一种电梯用新型液压设备